Public water system record
Liberty Utilities Warren Woods Subd
Serves Byrnes Mill, Jefferson County, MO · 60 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Liberty Utilities Warren Woods Subd in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Liberty Utilities Warren Woods Subd draws water from 1 well.
- Most recent formal enforcement: signed compliance agreement by Missouri, June 2000.
- Record on file since 1984, with 4 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 21 unknown out of 21 service lines.
Check whether Liberty Utilities Warren Woods Subd serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2025 | Resolved |
Full record since 1984
EPA's records for Liberty Utilities Warren Woods Subd go back to 1984. Before October 20, 2016 they list 4 health-based violations (3 resolved, 1 archived by EPA without a recorded fix) and 24 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 1 | 14 |
| 2000s | 3 | 8 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 20, 2016: Total Coliform, began July 2008, Archived.
Show all 4 health-based violations before October 20, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2008 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1993 | Resolved |
Enforcement actions
Missouri regulators took 1 formal enforcement action against Liberty Utilities Warren Woods Subd in 2000. The most recent was a signed compliance agreement in June 2000.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 10, 2000 | Missouri | Signed compliance agreement | 2 violations: Nitrate-Nitrite |
Where the water comes from
Liberty Utilities Warren Woods Subd draws water from 1 well. It also has an emergency connection to Jefferson County PWSD 6.
Emergency or part-time connections to
- Jefferson County PWSD 6 House Springs, MO
Annual water quality report
Liberty Utilities Warren Woods Subd must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Liberty Utilities Warren Woods Subd for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Missouri.
Certified drinking water labs by state EPA guidance for private wells